Abyc Corrosion Exam (Questions And Answers)

Electrochemical corrosion is commonly known as {Ans: Single-metal corrosion}Bonding wires shall be at least #__ AWG {Ans: #8 AWG}Covalent bonding is a/an: a. Electrical bonding by sharing protons b. Electrical bonding by sharing electrons c. Chemical bonding by sharing electrons by same or similar elements d. Chemical bonding by sharing protons by same or similar elements {Ans: C: Chemical bonding by sharing electrons by the same or similar elements.}Which of the following is NOT a type of flow and velocity corrosion? a. Impingement corrosion b. Cavitation corrosion c. Erosion corrosion d. Crevice corrosion {Ans: D. Crevice corrosion}Molecules are made of {Ans: Atoms}Impressed current anodes have a/an ______ service life a. Long b. Short c. Medium d. Unlimited {Ans: A. Long Collier, Ch 13, pg 103}__________ are electrical conductors in which current is carried by ions rather than by free electrons. {Ans: Electrolytes}If a magnesium sacrificial anode only has a 50% efficiency rating, where does the other 50% go? a. It goes to self-destruction by simple electrochemical corrosion b. It evaporates into the water c. It melts d. It plates out on the propeller {Ans: A. Self destruction}Why do we reference the Galvanic